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TS (Single Row Tapered Roller Bearings) (Imperial) A4044-A4138

TS (Single Row Tapered Roller Bearings) (Imperial) A4044-A4138

The A4044-A4138 is a single-row tapered roller bearing with a 0.4375″ bore and 1.3775″ outer diameter, crafted from sturdy chrome steel. It manages combined loads well, with a dynamic radial load capacity of 2960 lbf and a static radial load of 2580 lbf.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Suitable for applications like automotive or industrial machinery where combined loads are common.

Weighing just 0.100 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number A4044-A4138
  • Brand TFL
  • Interchangeable Timken
  • Size 0.4375" x 1.3775" x 0.433"
  • Bore Dia 0.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 1.3775"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.4326"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.3437"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.433"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 0.61"
  • Cone Backface Backing Diameter 0.69"
  • Cup Frontface Backing Diameter 1.28"
  • Cup Backface Backing Diameter 1.14"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0"
  • Effective Center Location -0.1"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number A4044
  • Cup Part Number A4138
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series A4000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 2960 lbf
  • Static Radial Load 2580 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 767 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 594 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.100 lb

Features

Performance Features of A4044-A4138 Bearing

A4044-A4138 Bearing is crafted with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 2960 lbf, making it suitable for demanding industrial applications.

The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various operating conditions.

A4044-A4138 Bearing’s standard radial clearance allows for smooth operation and easy installation.
Its tapered roller design efficiently handles both radial and thrust loads, ensuring long service life.

Application

Industrial Uses of A4044-A4138 Bearing
A4044-A4138 Bearing is commonly used in industrial machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is A4044-A4138 Bearing Used?
You’ll often find A4044-A4138 Bearing in automotive applications, such as wheel hubs and differentials, where its precise tolerances and robust design enhance performance. Its inch sizing makes it a fit for many North American vehicles.

Built for Heavy-Duty Use: A4044-A4138 Bearing
A4044-A4138 Bearing excels in heavy-duty equipment like agricultural machinery, thanks to its high dynamic load capacity. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of A4044-A4138 Bearing
In automotive settings, A4044-A4138 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary systems where reliability is key. Its ABEC-1 rating balances precision and cost-effectiveness.

Perfect Fit for Automation: A4044-A4138 Bearing
A4044-A4138 Bearing works well in automated systems like robotic arms, where its tapered rollers provide smooth motion under varying loads. The steel cage adds stability for consistent operation.

Q&A

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